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Bar modelling
Mathematics
Bar Modelling
The Beginning
What is bar modelling?
01
Bar modelling is an essential maths mastery strategy. It allows pupils to draw and visualize mathematical concepts to solve problems.
The best bar none!
It's a strategy that can be used across a wide range of concepts and topics.
Make it happen!
02
By using bar modelling we can find unknown quantities.
Teamwork
Find a partner
Part-Part-Whole
5 + 5 = 10
10 - 5 = 5
Teamwork
Find a partner
03
Part-Part-Whole
5 + 5 = 10
10 - 5 = 5
Equal parts of a whole
A way to introduce multiplication (lots of, repeated addition), division, fractions and percentages.
lots of / repeated addition
Multiplication
Multiplication
equal sharing / groups of
Division
Division
Equal parts of a whole
Fractions
1/5 of 30
Larger Numbers with partitioning
Larger numbers
74 x 5 = ____
70 x 5 = 350
4 x 5 = 20 350 + 20 =
Have a go!
Write a word problem using equal parts of a whole.
Have a go
Challenge: Can you include any of these words:
Armadillo
dongle
flummoxed
Comparison bar model
The difference between to numbers
Comparison AND Part-Part-Whole
Matteo has 5 toy cars. Josiah has 2 more than Matteo. How many cars do Matteo and Josiah have altogether?
PPW
Comparison AND Equal Parts of a Whole
Equal Parts
Used to answer more complex word problems
Reach the Top
Mastery
05
Finding missing numbers or creating their own.